Programmable Logic Controller (PLC) Questions and Answers – 5
Suppose we have a PLC connected to three process switches as shown in this illustration: In the above diagram : X1 to X4 : Inputs Y1 to Y4 : Outputs…
Programmable Logic Controller (PLC) Questions and Answers – 4
Suppose we have a PLC connected to three process switches as shown in this illustration: In the above diagram : X1 to X4 : Digital Inputs Y1 to Y4 :…
Programmable Logic Controller (PLC) Questions and Answers – 3
Suppose we have a PLC connected to three process switches as shown in this illustration: In the above diagram : X1 to X4 : Inputs Y1 to Y4 : Outputs…
Programmable Logic Controller (PLC) Questions and Answers – 2
Suppose we have a PLC connected to three process switches as shown in this illustration: In the above diagram : X1 to X4 : Inputs Y1 to Y4 : Outputs…
Programmable Logic Controller (PLC) Questions and Answers – 1
Suppose we have a PLC connected to three pushbutton switches as shown in this illustration: In the above diagram : X1 to X4 : Digital Inputs Y1 to Y4 :…
Hazardous Area Terminology
Certification Standards Industrial products are certified to international standards for the installation and use of electrical equipment in hazardous areas. Worldwide: The IEC defines the most-widely adopted hazardous area standards. These…
Compressor & Compressor Valves Maintenance
How to Maintain a Compressor and Compressor valves The compressor is a device that develops potential energy stored in pressurized gas from electricity or fluid. When looking at a gas…
Latest Electrical Motors Questions and Answers
How do the new IE efficiency classes compare with the old EFF efficiency classes? The new IS: 12615-2011 defines the following efficiency classes of low-voltage three phase asynchronous motors in…
Draw Wiring of a Pressure Switch to control two lamps
Sketch the necessary wiring to make this pressure switch control two lamps in the following manner: High process pressure: green lamp on and red lamp off •Low process pressure: red…
Cables and Cable Glands Questions and Answers
Cables and Cable Glands Questions What are different elements of a Cable? Basic about cable components & constructional details Conductor Conductor is a current carrying element made up of Aluminium…
